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Individual
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Individual
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Priority to ES1969152947UpriorityCriticalpatent/ES152947Y/en
Publication of ES152947UpublicationCriticalpatent/ES152947U/en
Application grantedgrantedCritical
Publication of ES152947YpublicationCriticalpatent/ES152947Y/en
Investigating Strength Of Materials By Application Of Mechanical Stress
(AREA)
Shaping Of Tube Ends By Bending Or Straightening
(AREA)
Abstract
Sheet with zones at several levels, characterized by being constituted by a piece of cardboard, determining a general background with respect to at least one area that is in a plane located at different level of the bottom, and being provided with a peripheral strip practiced in relief . (Machine-translation by Google Translate, not legally binding)
ES1969152947U1969-10-111969-10-11
LAMINA WITH ZONES AT SEVERAL LEVELS.
ExpiredES152947Y
(en)